Second-hand Machines

The pendulum impact tester corresponds to the technical conditions of ISO 13802 and DIN 51222.
The device is second-hand, refurbished, checked and in good condition (year of construction 1999)
The pendulum impact tester consists of the basic unit with:

• Pendulum hammer for maximum impact energy of 15 J
• Striker Charpy
• Anvil with support Charpy for specimens 4 x 3 x 27 mm (anvils for different specimen dimensions are available on demand)
• 4-digit digital display of the absorbed impact energy
• Digital continuous preselection of the impact energy in range 20% to 100% of the nominal value
• Electrical safety release of the pendulum (two-hand operation)

Application

The pendulum impact tester PW 30 of the company Wolpert corresponds to the technical conditions of ISO 148 to determine the impact energy by Charpy on metal specimens. The pendulum impact tester has a hammer with potential energy of 300 J.

Characteristics

The pendulum is mounted in ball bearings with very low friction.The arm to hold the pendulum hammer is moved to the desired position by means of a hand wheel. The pendulum is released by manual two-hand operation at the holding arm.

• Frame consisting of an anvil bed and two columns
• Manual mechanical pendulum brake

The pendulum impact tester consists of the basic unit with

• Measurement unit to indicate the consumed impact energy by a trailing pointer on a round scale
• Pendulum hammer for maximum impact energy of 300 J
• Striker Charpy (radius 2 mm)
• Anvil with support Charpy for specimens 10 x 10 x 55 mm
• Manual specimen centering

The tester has been refurbished with new anvils and striker.

Application

The pendulum impact serves for Charpy impact tests according to ISO 148-1.

Features

The device is used and in very good condition (year of construction 1995).

• Frame consisting of an anvil bed and one column
• Pendulum mounted in low-friction ball bearings
• Release of the pendulum via control button
• The pendulum hammer is automatically braked after the impact and returned to the starting Position
• Measuring device for displaying the impact work consumed by a drag pointer on a round scale
• U-shape pendulum hammer with a maximum impact energy of 150 J and 300 J
• Drop angle 150°
• Impact velocity: 5.2 m/s
• New striker Charpy 2 mm
• New anvil with support for Charpy specimens 10 x 10 x 55 mm
• With automatic specimen centering
• With safety enclosure
• With concrete base
• Electrical connection: 3x 380 V, 50

Application

The hardness tester HPO 250 is a desk device to determine the Brinell and Vickers hardness of steel and metal of all kinds.

• Specimen height max. 200 mm
• Specimen weight max. 100 kg

Characteristics

• With optical evaluation
• Load stages Vickers: 49, 98, 147, 196, 294, 392, 490, 588, 981, 1177 N
• Load stages Brinell: 153, 306, 613, 1840, 2450 N
• Optical measuring device to project the hardness indentations by means of objectives; magnifications 70-fold and 140-fold; scale value 0.5-2 µm
• Dial gauge for observing the test procedures
• Diameter: 100 mm
• Measurement range: 0-5 mm
• Drive: electrical/hydraulic

Application

The hardness tester HPO 3000 is a floor-mounted device to determine the Brinell hardness of steel and metals of all kinds according to ISO 6506-1. It corresponds to the standards DIN 51200 and ISO 6506-2.

Characteristics

• Refurbished hardness tester
• With ocular measuring microscope, magnification 25-fold
• Load stages either 750 kg or 3000 kg
• If you choose load stage 750 kg: precision carbide ball 5.000 mm (with DAkkS certificate), version 5/750 factory calibrated
• If you choose load stage 3000 kg: precision carbide ball 10.000 mm (with DAkkS certificate), version 10/3000 factory calibrated
• Weight: approx. 530 kg

Application

The hardness tester HM 1830/1 is a desk device for Rockwell hardness tests on steel and other metals according to ISO 6508-1.

• Specimen height: 250 mm at maximum
• Specimen weight: 100 kg at maximum

Features

• Load stage: 1471 N (other load stages on demand)
• Digital measured value display, 3 digits
• The indentation time and the tolerance limits can be preselected.
• The tolerance limits are kept.
• Automatic test procedure
• Evaluation minimum/maximum
• Including indenter Rockwell (with DAkkS certificate)

Application

The machine serves for static compression tests of construction materials and other tests of this type. Cubes and cylinders with a maximum edge length of 150 mm can be tested. The second-hand machine is in very good state (maintained and refurbished).

Characteristics

• 4 columns with testing cylinder mounted in the base part, with ground piston
• Free height compression room: 155 mm (can be extended by removing the intermediate pieces to up to 255 mm)
• Piston stroke: 30 mm
• Compression plate diameter: 255 mm (upper compression plate spherically seated) for 150 mm cube
• Measurement range: 2000 kN (class 1)
• Digital display/control (current force value and load velocity and maximum force at specimen break are displayed)
• Hydraulic drive mounted in the machine frame
• Force is applied by semi-automatic test procedure: After the start at the control, the piston automatically rises until applying force and then further with the force increasing velocity adjusted at the hand valve until specimen break.
• With splinter protection
• Year of construction: 2013

Application

The machine serves for static compression tests of construction materials and other tests of this type. The machine is equipped to test cubes with a maximum edge length of 150 mm and 150 mm. It corresponds to the requirements of ISO 7500-1.

Characteristics

The machine has been refurbished/varnished and is in very good state (year of construction 1985).

• Measurement range: 300 to 3000 kN (accuracy class 1)
• Load applied by electronic control valve, with specimen break detection
• Display: digital 5 digit, with maximum value memory
• Frame: 4 columns
• Distance between the columns: 325 mm
• Compression room height: 300 mm
• Piston stroke: 80 mm
• Compression plate size: top and bottom 520 x 320 mm
• Swivel filled with oil

Application

The machine is used to determine the tensile, compression and bending strength of materials, such as steel and metal as wires, rods, plates, pipes, as well as plastic and wood. Thanks to ist large-room design, the testing machine can also be used to test construction components. The testing machine corresponds to the requirements of DIN 51221.

Features

The machine is refurbished and technically in good state.

• 2 spindles, cylinder with honed piston mounted in the base part
• Automatic switch-off when maximum piston stroke is reached
• Piston stroke 250 mm
• Free width between spindles: 600 mm
• Free height tension room: 750 mm
• Free height compression room: 620 mm
• Crosshead adjustment (middle crosshead) to rapidly adjust the test room by electric motor with automatic switch-off when reaching the end positions
• Drive unit with controllable multi-piston high-pressure pump mounted in the controller (right next to the machine)
• Force signal (class 1) transmitted to the measurement gauge via torsion rod
• Analog force display (3 measurement ranges) with trailing pointer
  0 – 40 kN
  0 – 200 kN
  0 – 400 kN
• Dimensions for installation with switch cabinet (w x d x h): 2.0 x 1.0 x 2.6 m
• Electric connection: 380V/50Hz/6KVA
• If desired, we can also offer a modernization.